72561405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 135924480

約数和(自身を除く): 63363075

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 269, 367, 735, 807, 1101, 1345, 1835, 1883, 2569, 4035, 5505, 5649, 7707, 9415, 12845, 13181, 17983, 28245, 38535, 39543, 53949, 65905, 89915, 98723, 197715, 269745, 296169, 493615, 691061, 1480845, 2073183, 3455305, 4837427, 10365915, 14512281, 24187135, 72561405]

約数ペア:

[(1, 72561405), (3, 24187135), (5, 14512281), (7, 10365915), (15, 4837427), (21, 3455305), (35, 2073183), (49, 1480845), (105, 691061), (147, 493615), (245, 296169), (269, 269745), (367, 197715), (735, 98723), (807, 89915), (1101, 65905), (1345, 53949), (1835, 39543), (1883, 38535), (2569, 28245), (4035, 17983), (5505, 13181), (5649, 12845), (7707, 9415)]